106 lines
3.0 KiB
C++
106 lines
3.0 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Methods relating to saving + loading PSD files (photoshop)
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//
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// $NoKeywords: $
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//===========================================================================//
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#ifndef PSD_H
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#define PSD_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "bitmap/imageformat.h" //ImageFormat enum definition
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//-----------------------------------------------------------------------------
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// Forward declarations
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//-----------------------------------------------------------------------------
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class CUtlBuffer;
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struct Bitmap_t;
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class PSDImageResources
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{
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public:
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enum Resource {
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eResFileInfo = 0x0404
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};
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struct ResElement {
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Resource m_eType;
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// unsigned char m_pReserved[4];
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unsigned short m_numBytes;
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unsigned char const *m_pvData;
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};
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public:
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explicit PSDImageResources( unsigned int numBytes, unsigned char const *pvBuffer ) : m_numBytes( numBytes ), m_pvBuffer( pvBuffer ) {}
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public:
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ResElement FindElement( Resource eType ) const;
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protected:
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unsigned int m_numBytes;
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unsigned char const * m_pvBuffer;
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};
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class PSDResFileInfo
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{
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public:
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enum ResFileInfo {
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eTitle = 0x05,
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eAuthor = 0x50,
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eAuthorTitle = 0x55,
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eDescription = 0x78,
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eDescriptionWriter = 0x7A,
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eKeywords = 0x19,
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eCopyrightNotice = 0x74
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};
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struct ResFileInfoElement {
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ResFileInfo m_eType;
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unsigned short m_numBytes;
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unsigned char const *m_pvData;
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};
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public:
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explicit PSDResFileInfo( PSDImageResources::ResElement res ) : m_res( res ) {}
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public:
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ResFileInfoElement FindElement( ResFileInfo eType ) const;
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protected:
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PSDImageResources::ResElement m_res;
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};
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//-----------------------------------------------------------------------------
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// Is a file a PSD file?
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//-----------------------------------------------------------------------------
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bool IsPSDFile( const char *pFileName, const char *pPathID );
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bool IsPSDFile( CUtlBuffer &buf );
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//-----------------------------------------------------------------------------
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// Returns information about the PSD file
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//-----------------------------------------------------------------------------
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bool PSDGetInfo( const char *pFileName, const char *pPathID, int *pWidth, int *pHeight, ImageFormat *pImageFormat, float *pSourceGamma );
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bool PSDGetInfo( CUtlBuffer &buf, int *pWidth, int *pHeight, ImageFormat *pImageFormat, float *pSourceGamma );
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//-----------------------------------------------------------------------------
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// Get PSD file image resources, pointers refer into the utlbuffer
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//-----------------------------------------------------------------------------
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PSDImageResources PSDGetImageResources( CUtlBuffer &buf );
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//-----------------------------------------------------------------------------
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// Reads the PSD file into the specified buffer
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//-----------------------------------------------------------------------------
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bool PSDReadFileRGBA8888( CUtlBuffer &buf, Bitmap_t &bitmap );
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bool PSDReadFileRGBA8888( const char *pFileName, const char *pPathID, Bitmap_t &bitmap );
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#endif // PSD_H
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